Please click on the images for a better look at the action.
IMAGE: Athletes compete during round one of the Women's 100m heats.
Photograph: Richard Heathcote/Getty Images
IMAGE: Team Great Britain's Kathleen Dawson competes in heat one of the Mixed 4 x 100m Medley Relay.
Photograph: Tom Pennington/Getty Images
IMAGE: Team United States's Rashida Ellis (in red) exchanges punches with Team Great Britain's Caroline Dubois during the Women's Lightweight (57-60kg).
Photograph: Buda Mendes/Getty Images
IMAGE: Team Great Britain's Natasha Hunt runs the ball from the scrum in the Women's Rugby Sevens match between against Team Kenya.
Photograph: Dan Mullan/Getty Images
IMAGE: Turkey's Yasmani Copello and Team Jamaica's Shawn Roe compete in the Men's 400m heats.
Photograph: Cameron Spencer/Getty Images
IMAGE: A general view of Team France's Sylvain Andre, Romain Mahieu and Team United States's Connor Fields as they jump during the Men's BMX semifinal heat 1, run 1.
Photograph: Ezra Shaw/Getty Images
IMAGE: Team France's Romain Mahieu and Team United States's Connor Fields crash during the Men's BMX semifinal heat 1, run 3.
Photograph: Francois Nel/Getty Images
IMAGE: Golf superstar Team Ireland's Rory McIlroy lines up a putt on the second green during the second round of the Men's Individual Stroke Play.
Photograph: Mike Ehrmann/Getty Images
IMAGE: Team Japan's Hikaru Mori competes in the Women's Trampoline Qualification.
Photograph: Jamie Squire/Getty Images
IMAGE: Team Mexico's Edgar Rivera in action in the Men's High Jump Qualification.
Photograph: Kai Pfaffenbach/Reuters
IMAGE: Team Cuba's Idalys Ortiz in action against Team China's Xu Shiyan in the Women's +78kg Judo Quarterfinal.
Photograph: Annegret Hilse/Reuters
IMAGE: Team Sweden's Simon Pettersson competes in the Men's Discus qualification.
Photograph: Patrick Smith/Getty Images
Photographs curated by Manisha Kotian/Rediff.com
Feature Presentation: Rajesh Alva/Rediff.com
